The temperature on April 2, 1911 was between 4.7 °C and 7.7 °C and averaged 5.9 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
Day of marriage April 30, 1937
The temperature on April 30, 1937 was between 6.2 °C and 12.0 °C and averaged 8.4 °C. There was 5.6 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
April 9 » The Kamikaze arrives at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
June 14 » U.S. House of Representatives passes the Marihuana Tax Act.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
Day of death November 14, 2000
The temperature on November 14, 2000 was between 1.6 °C and 9.4 °C and averaged 5.6 °C. There was 2.4 hours of sunshine (27%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: nidbck, "genealogie vandersloot", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-vandersloot/I54014.php : accessed September 25, 2024), "Johan Gerard Hermanus "Jo" Walleboom (1911-2000)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.